Kany is gift wrapping boxes for his class fundraiser. He calculates that the surface area, in square feet , of a cube - shaped box with a side of m feet is given by the function S(m) = 6m ^ 2 He also finds that the costCin dollars, of wrapping a box with a surface area of square is given by the function C(x) = 0.15x + 0.2 . Determine the composition of functions of the cost of a boz of side length m feet.